If you walk outside, you have been exposed to Radon. According to the Arkansas Geological Society, the odorless and invisible gas comes from Radium that decays underneath the ground. In general, the Arkansas Health Department says health risks decrease with lower levels of Radon. However, if it builds up in an enclosed space, like inside your home, it can be dangerous or even deadly.

Here are the stores locally, where you can pick up a radon testing kits for homes: